Air pump



FIG. 1 is a perspective view of an air pump showing our new design.

FIG. 2 is a side view of the air pump illustrated in FIG. 1, theopposite side of which is understood to be a mirror image of FIG. 2;and,

FIG. 3 is a top view of the air pump.

The ornamental design for an air pump, substantially as shown anddescribed.